184 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



(1810). Aspidium trifoliatum of authors, in part, not Polypodium 

 trifoliatum L., based on Plumier's plate 148, see Underw., I. c, p. 

 199-200.— El Valle, Miller & Johnston, no. 168, Aug. 2. Reported 

 by Urb. (S^Tnb. Ant., vol. 4, p. 23), under the name of Aspidium tri- 

 foliatum, as occurring ujjon Margarita Island, his determination 

 being based upon some of Miller & Johnston's material of 1901. 

 Tropical America generally. 



T. PLANTAGiNEA (Jacq.) Maxon, Contrib. U. S. nat. herb., vol. 10, 

 p. 494 (1908). Polypodium plantaginemn Jacq., Coll. bot., vol. 2, 

 p. 104, pi. 3, fig. 1 (1788). Aspidium plantagineum Griseb., Abh. 

 kon. Gesellsch. Wiss. Gottingen, vol. 7, p. 286 (1857). — Juan Griego 

 trail, alt. 500 m., Johnston, no. 148, July 31. Tropical America. 

 Variable. 



T. PuRDiAEi (Jenman) Maxon, Contrib. U. S. nat. herb., vol. 10, 

 p. 494 (1908). Aspidium Purdiaei Jenman, Gard. chron., ser. 3, 

 vol. 22, p. 282 (1897). Nephrodium Sherringiae Jenman, Journ. 

 bot., vol. 25, p. 99 (1887), not A^. Sherringii Jenman (1879). ^5- 

 pidium psammisormn C. Chr., Ind. Fil., p. 89 (1905). — El Valle, 

 Miller & Johnston,' wo. 158, Aug. 10; Juan Griego trail, alt. 450 m., 

 Johnston, no. 173, July 31. Known also from Trinidad. 



Oleandra Cav. 



O. NODOSA (Willd.) Presl, Tent. Pterid., p. 78 (1836). Aspidium 

 nodosum Willd., Sp. pi., vol. 5, p. 211 (1810). — Juan Griego trail, 

 alt. 300 m., Johnston, no. 189, July 29. American tropics. Ascribed 

 also to Africa. 



Dennstaedtia Bernh. 



D. ORDiNATA (Kaulf.) Moore, Ind. Fil., p. 306 (1861). Dicksonia 

 ordinata Kaulf., Enum. Fil., p. 226 (1824).— El Valle, Miller & 

 Johnston, no. 160, Aug. 16; Juan Griego trail, alt. 450 m., Johnston, 

 no. 185, July 29. Widely distributed in tropical America. 



Nephrolepis Schott. 



[N. EXALTATA (L.) Schott, Gen. Fil., pi. 3 (1834). Polypodium 

 exaltatum L., Syst. nat., ed. 10, vol. 2, p. 1326 (1759). — Referred by 

 Urban, Symb. Ant., vol. 4, p. 27, to Margarita.] 



N. PECTiNATA (Willd.) Schott, Gen Fil., under pi. 3 (1854). Aspi- 

 dium pectinatum Willd., Sp. pi., vol. 5, p. 223 (1810). — San Juan 

 Mt., alt. 790 m., JohnMon, no. 149, July 16. Tropics. 



